Vetsulin Cat Medicine | Petco

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Health & Wellbeing
My cat's diabetes isn't controlled by Vetsulin. What's next?
I found that in cats often Vetsulin is not able to correct Insulin levels long term and that such cats may do better with Prozinc Insulin. This is something you may want to discuss with your veterinarian. Another problem that often keeps cats from regulating is when they have tartar, gingivitis and bad teeth. In that case a dental cleaning often works wonders. This will also reduce stress from dental pain.
Updated on November 25th, 2025
Health & Wellbeing
How much Vetsulin U40 for my diabetic cat & when to check blood?
If the insulin and syringe is U40 then yes, 5 should be 5 units (it is important to use the same graded syringes and insulin as this would invalidate the graduations otherwise). Blood glucose should be checked resting and fasting as a meal or strenuous exercise will affect readings - a schedule of timings before meals/exercise should be arranged in order to compare readings. Changes the the dose rate given should be made only in consultation with the treating vet - we are not legally in a position to prescribe medication as the animal must be under the direct care and supervision of the prescribing vet in order to make these decisions
Updated on November 25th, 2025
Health & Wellbeing
Is my diabetic cat's Vetsulin insulin still good after being left out?
The problem with insulin is that it cannot handle temperature variations. There is a small chance that it may still be ok, however it would be better to replace it with a new bottle to make sure Buddy is getting his proper working dose. If you are measuring blood glucose yourself at home, then you can measure his blood glucose before giving him his shot and then 6 hrs after giving him his shot. If the insulin is not working any more due to having been out of the fridge, then he will have a blood glucose value the same or higher than the first measurement. If his Blood glucose is lower and close to his usual low glucose level then the insulin is still good. However, I would recommend replacing the bottle with new insulin.
Updated on November 25th, 2025
Health & Wellbeing
My diabetic cat's insulin is expensive. Any OTC human alternatives?
I’m assuming you meant ProZinc insulin and if so there is unfortunately not a cheaper alternative. While less expensive human insulin can on rare occasions be used successfully in cats it usually does not provide good control of diabetes. You also need to start over with dosing and frequent monitoring when switching from one insulin to another which would increase cost. It’s probably best to stick with ProZinc if Mikey is well regulated.
Updated on November 25th, 2025
Health & Wellbeing
Is it safe to give my diabetic cat human insulin without a vet?
While certain human insulins can be used in cats, it is never recommended to change your cat's insulin yourself. Please do not use any insulin that isn't specifically prescribed by your vet as you could go great harm to Daja, which could potentially be fatal.
Updated on November 25th, 2025